Acta Metall Sin  1990, Vol. 26 Issue (4): 144-147    DOI:

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FRACTAL DIMENSION OF CAVITIES SHAPE CHANGES DURING SUPERPLASTIC DEFORMATION OF HIGH STRENGTH Al ALLOY 7475

JIANG Xinggang;CUI Jianzhoug;MA Longxiang Northeast University of Technology; Shenyang Box 317; Northeast University of Technology; Shenyang 110006

JIANG Xinggang;CUI Jianzhoug;MA Longxiang Northeast University of Technology; Shenyang Box 317; Northeast University of Technology; Shenyang 110006. FRACTAL DIMENSION OF CAVITIES SHAPE CHANGES DURING SUPERPLASTIC DEFORMATION OF HIGH STRENGTH Al ALLOY 7475. Acta Metall Sin, 1990, 26(4): 144-147.

Abstract References Related Articles Recommended Metrics Download:  PDF(1418KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The fractal dimension changes of cavities have been determined duringsuperplastic deformation of the high strength Al alloy 7475 with different strain,temperature, strain rate and grain size. The fractal dimension of cavities may in-crease with the increase of strain. It becomes higher as the alloy deformed underthe lower temperature, the greater strain rate and the coarser grain size. The alloywould be approaching to rupture if the fractal dimension of cavities raised to acertain extent. Key words:  fractal dimension      superplastic deformation      cavity      Al alloy      Received:  18 April 1990      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1990/V26/I4/144 1 Pilling J, Ridley N. Res Mech, 1988; 23: 31 2 穆在勤,龙期威.金属学报,1988;24:A142 3 苏辉,张玉贵,阎振棨,金属学报,1989:25:A466 4 Pande C S, Richards L E, Louat N, Dempsey B D, Schwoeble A J. Acta Metall, 1987; 35: 1633 5 Mandelbrot B B, Passoja DE, Paullay A J. Nature, 1984; 308: 721 6 Lung C W, Mu Z Q. Phys Rev, 1988; 38B: 11781N [1] SUN Rongrong, YAO Meiyi, WANG Haoyu, ZHANG Wenhuai, HU Lijuan, QIU Yunlong, LIN Xiaodong, XIE Yaoping, YANG Jian, DONG Jianxin, CHENG Guoguang. High-Temperature Steam Oxidation Behavior of Fe22Cr5Al3Mo-xY Alloy Under Simulated LOCA Condition[J]. 金属学报, 2023, 59(7): 915-925. [2] YANG Du, BAI Qin, HU Yue, ZHANG Yong, LI Zhijun, JIANG Li, XIA Shuang, ZHOU Bangxin. Fractal Analysis of the Effect of Grain Boundary Character on Te-Induced Brittle Cracking in GH3535 Alloy[J]. 金属学报, 2023, 59(2): 248-256. [3] LI Xiaobing, QIAN Kun, SHU Lei, ZHANG Mengshu, ZHANG Jinhu, CHEN Bo, LIU Kui. Effect of W Content on the Phase Transformation Behavior in Ti-42Al-5Mn- xW Alloy[J]. 金属学报, 2023, 59(10): 1401-1410. [4] SUN Tengteng, WANG Hongze, WU Yi, WANG Mingliang, WANG Haowei. Effect ofIn Situ 2%TiB2 Particles on Microstructure and Mechanical Properties of 2024Al Additive Manufacturing Alloy[J]. 金属学报, 2023, 59(1): 169-179. [5] LI Yanqiang, ZHAO Jiuzhou, JIANG Hongxiang, HE Jie. Microstructure Formation in Directionally Solidified Pb-Al Alloy[J]. 金属学报, 2022, 58(8): 1072-1082. [6] LIU Renci, WANG Peng, CAO Ruxin, NI Mingjie, LIU Dong, CUI Yuyou, YANG Rui. Influence of Thermal Exposure at 700oC on the Microstructure and Morphology in the Surface of β-Solidifying γ-TiAl Alloys[J]. 金属学报, 2022, 58(8): 1003-1012. [7] CHEN Yuyong, YE Yuan, SUN Jianfei. Present Status for Rolling TiAl Alloy Sheet[J]. 金属学报, 2022, 58(8): 965-978. [8] SUN Rongrong, YAO Meiyi, LIN Xiaodong, ZHANG Wenhuai, QIU Yunlong, HU Lijuan, XIE Yaoping, YANG Jian, DONG Jianxin, CHENG Guoguang. Effect of Ti on the Corrosion Behavior of Fe22Cr5Al3Mo Alloy in 500oC Superheated Steam[J]. 金属学报, 2022, 58(5): 610-622. [9] LIN Xiaodong, MA Haibin, REN Qisen, SUN Rongrong, ZHANG Wenhuai, HU Lijuan, LIANG Xue, LI Yifeng, YAO Meiyi. Corrosion Behaviors of Fe13Cr5Al4Mo Alloy in High-Temperature High-Pressure Water Environments[J]. 金属学报, 2022, 58(12): 1611-1622. [10] CAO Jianghai, HOU Zibing, GUO Zhongao, GUO Dongwei, TANG Ping. Effect of Superheat on Integral Morphology Characteristics of Solidification Structure and Permeability in Bearing Steel Billet[J]. 金属学报, 2021, 57(5): 586-594. [11] ZHAO Lei, WANG Hui, YANG Lixia, CHEN Xuebin, LANG Runqiu, HE Linfeng, CHEN Dongfeng, WANG Haizhou. First Exploration of Hot Isostatic Pressing High-Throughput Synthesis on Fe-Co-Ni Combinatorial Alloy[J]. 金属学报, 2021, 57(12): 1627-1636. [12] LI Tianrui, LIU Guohuai, YU Shaoxia, WANG Wenjuan, ZHANG Fengyi, PENG Quanyi, WANG Zhaodong. Microstructure Evolution and Deformation Mechanisms by Direct Hot-Pack Rolling for As-Cast Ti-46Al-8Nb Alloys[J]. 金属学报, 2020, 56(8): 1091-1102. [13] HAN Baoshuai, WEI Lijun, XU Yanjin, MA Xiaoguang, LIU Yafei, HOU Hongliang. Effect of Pre-Deformation on Microstructure and Mechanical Properties of Ultra-High Strength Al-Zn-Mg-Cu Alloy After Ageing Treatment[J]. 金属学报, 2020, 56(7): 1007-1014. [14] LIU Xianfeng, LIU Dong, LIU Renci, CUI Yuyou, YANG Rui. Microstructure and Tensile Properties of Ti-43.5Al-4Nb-1Mo-0.1B Alloy Processed by Hot Canned Extrusion[J]. 金属学报, 2020, 56(7): 979-987. [15] QIAN Yue,SUN Rongrong,ZHANG Wenhuai,YAO Meiyi,ZHANG Jinlong,ZHOU Bangxin,QIU Yunlong,YANG Jian,CHENG Guoguang,DONG Jianxin. Effect of Nb on Microstructure and Corrosion Resistance of Fe22Cr5Al3Mo Alloy[J]. 金属学报, 2020, 56(3): 321-332. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed